Lost co-creator and Prometheus screenwriter Damon Lindelof has been drafted in to salvage Brad Pitt’s zombie war movie ‘World War Z’ as director Marc Forster plans several weeks of reshoots

The troubled blockbuster, which Pitt is also producing, wrapped last year, but it appears movie executives are far from happy with the end product and they've pushed the film's release from December to next summer to allow for the extra work to be done.

Sources tell The Hollywood Reporter that Lindelof has also been hired to revamp the film's ending.